Turn-on fluorescence detection of pyrophosphate anion based on DNA-attached cobalt oxyhydroxide

被引：13

作者：

Li, Na ^{[1
]}

Zhu, Yu Die ^{[1
]}

Liu, Ting ^{[1
]}

Liu, Shi Gang ^{[1
]}

Lin, Shu Min ^{[1
]}

Shi, Yan ^{[1
]}

Luo, Hong Qun ^{[1
]}

Li, Nian Bing ^{[1
]}

机构：

[1] Southwest Univ, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Minist Educ, Sch Chem & Chem Engn, Chongqing 400715, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2017年 / 41卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ASCORBIC-ACID; SENSING PLATFORM; SYNOVIAL-FLUID; LIVING CELLS; NANOPROBE; WATER; CALCIFICATION; HYDROTALCITE; RECOGNITION; NANOSHEETS;

D O I：

10.1039/c6nj03491h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The turn-on fluorescence of pyrophosphate anion (PPi) was detected using DNA-attached cobalt oxyhydroxide. The fluorescence signal was quenched when carboxyfluorescein-labeled ssDNA was adsorbed by CoOOH nanoflakes through electrostatic interaction. With the addition of target PPi, PPi competed with DNA for CoOOH nanoflakes, resulting in turn-on fluorescence.

引用

页码：1993 / 1996

页数：4

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